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-rw-r--r--src/aig/gia/giaSpeedup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/gia/giaSpeedup.c b/src/aig/gia/giaSpeedup.c
index 0d593993..b9f4f037 100644
--- a/src/aig/gia/giaSpeedup.c
+++ b/src/aig/gia/giaSpeedup.c
@@ -246,6 +246,7 @@ float Gia_ManDelayTraceLut( Gia_Man_t * p )
// initialize the arrival times
Gia_ManTimeStart( p );
+ Gia_ManLevelNum( p );
// propagate arrival times
if ( p->pManTime )